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R; A. REW. HEATING AND VENTILATI-NG APPARATUS. No. 357,411. PatentedFeb. 8, 1887.

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PATENT RICHARD ALLEN RENV, OF POMEROY, \VASHINGTON TERRITORY, ASSIGNORTO HIMSELF, CHARLES B. FOO'IE, AND JAMES W. HULL, ALL OF SAME PLACE.

HEATiNG AND VENTILATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 357,4:11 dated February8 1887.

Application filed May 27, 1885.

.To all whom it may concern.-

Be it known that I, RICHARD ALLEN REw, a citizen of the United States,residing at Pomeroy, in the county of Garfield, Washington Territory,have invented a new and useful Improvement in Heating and VentilatingApparatus, of which the following is a description. This inventionrelates to that class of apparatus designed for heating and ventilatingdwellings and other houses; and its object is to provide the heater withplenty of pure air, to economize fuel by extracting as much heat aspossible from the products of combustion,

to properly temper the heated air by discharg- :5 ing steam into it inany desired quantity, to draw foul air from the room, and to admit pureair.

To this end my invention consists in the construction and combination ofparts form- .20 ing the heating and ventilating apparatus hereinafterdescribed and claimed, reference being had to the accompanying drawings,in which- Figure l is a central vertical section of a portion of aroom,showing my invention. Fig. 2 is a plan view of the heater. Fig. 3is a horizontal section of the same at 00. Fig. 4 is a detailperspective view illustrating the steampipe shield. Fig. 5 is anenlarged longitudinal section of my apparatus.

A represents the outer shell or body of a stove, mounted on legs a uponthe floor 0 of a room, one of whose side walls is represented at G.

B is the combustion-chamber, in which fuel of any suitable kind may beburned. b is the ash-pit. v

1) is the inner lining of the stove, having a perforated top, D.

E represents a hot-air chamber, of which E is the bottom, correspondingin form and perforations with the top 1), and connected therewith by aseries of pipes, (1, through which the products of combustion pass fromthe chamber B. A pipe may connect the chamber E directly with thechimney-flue; but I prefer to interpose another chamber, F, having itsbottom F perforated to receive a series of small fines or pipes, f,which communicate with the chamber E.

Serial No. 166,872. (No mo el.)

G represents a heat-deflector in the form of a plate or sheet of metalinterposed between the head D and the bottom H is aliningintermediatebetween the drum A of the stove and the inner lining, D, and it partsthe space into two annular air-passages, h and h. The passage itreceives air from the pipe Q, which opens into the cold-air chamber, andthe latter communicates with the passage h, which carries the cold airupward around the combustion-chamber, which heats it to some extent, tothe first deflector-,G, which forces it to pass between the pipes d,from which it receives more heat. Then it passes through the centralopening in the plate G and spreads outward again, passing between thepipes d, between the deflector and the bottom of the chamber E, thenceupward beside this chamber to the upper deflector, G, which turns itinward, and again outward between pipesf, to rise around the chamber F,whence it may escape directly into the room through apertures K near thecircumference of the 1' stove; or when these apertures are closed by asuitable damper, K, the heat .will be forced to the center of the topofthe stove to escape at L, where there is a damper to prevent the toosudden or rapid escape of heat. \Vhen both dampers K and L are closed,the heat is forced to descend between the shell A and the intermediatelining, H, to find exit at the apertures H.

L is an ornamental cover for the top of the stove.

M is a tank at the side of or behind the stove to contain water. It isintentionally located away from the heat in order to avoid too rapidevaporation, and it islocated beside or behind the stove, thatit may belarge enough to be of real service without being in the way or sounsightlyas it would be if located ontop of the stove.

N is a pipe entering the tank near the bot tom thereof and passingacross through the stove between the heating-pipes d, and slightlyascending toward the outer end of the pipe, in order that the bubbles ofsteam may pass from said outer end rather than into the tank. At

the point N the steam-pipe bends to a verti- IOU top of the tank, whereit is bent downward and returns as far as the center N of the hot airchamber, making a bend near N.

O is ashield of semi-cylindrical form adapted to rest directly on top ofthe steam-pipe, or to be turned around the pipe downward, so as topartially or wholly shield the under side of the pipe from heat. Theshield O is shown most clearly in Fig. 4. By this means the amount ofsteam found to be discharged into the heated air may be regulated totemper the air at will. The vertical portion from N to N of the pipe isnecessary to prevent the water from running directly out of the tank.

A trap-shaped pipe, on, is employed for feeding air to thecombustion-chamber. This pipe may, by preference, be arranged as shownin Fig, 1, where its upper end extends into the fire-box and its lowerend extends close to the floor, whereas a somewhat differentconstruction is shown in Fig. 5, in which case the pipe is detachabl yconnected with achamber which communicates with the combustion-chamberby an opening covered by a screen, as will be clearly understood fromthe'said figure of the drawings. The trap-shaped curves are to preventashes or coals of fire from falling through the tube and the tube, isremovable for cleaning purposes. Theinside lining, D, is formed with abottom separated from the bottom of the stove A, forming a cold-airchamber, P, beneath the ash-pit. This chamber is provided with air by apipe, Q, which, passing beneath the floor C of the room, communicateswith outdoor air.

A pipe, Q, may be arranged vertically in the wall of the room, and Iprovide this pipe with a damper-valve, \V, and have its lower endcommunicating with the room by an opening formed through the mop-board,whereby impure air maybe discharged from the room.

The stove may be of any desired form.

The smoke-chamber F is a mere repetition of the chamber E, and anynumber of such repetitions may be made to extract more and more of theheat from the products of combustion and disseminate it through themediuln of pure air passing between the flues and deflectors. I

I do not in this application claim, broadly, the trap-shaped pipe forsupplying air to the combustion-chamber; but I reserve the right toclaim such pipe, broadly, and, if desired, in connection with theparticular construction whereby it is connected with thecombustionchamber, substantially as herein shown in Fig. 5, in aseparate application for patent filed by me on or about November 23,1886, Serial No. 219,701.

\VhatI claim as my invention, and desire to secure by Letters Patent,is-

1. The combination, with a stove having an air-inlet and a smoke-outlet,of the outer wall or casing having an outlet at its lower end, the topand bottom, the combustion and smoke chambers, tubular connectionsextending between said chambers and opening at their opposite ends intothe same, and an intermediate lining between the said chambers and theouter wall or casing, substantially as set forth.

2. In a stove, the combination of the outer and inner cylinders havingan intermediate air-space, the combustion and smoke chambers locatedwithin the inner cylinder, pipes connecting and opening at their endsinto said chambers, and a deflector-plate extended transversely betweenthe walls of the inner cylinder, and located between the two saidchambers and having a central opening, substantially as set forth.

3. The combination ofthe combustion-chamber having a closed orimperforate bottom, a casing inclosing said chamber and extending belowand forming an air-chamber below the combustion-chamber, and a pipeextended through the casing and opening within the combustion-chamber,whereby air may be admitted to said chamber, substantially as set forth.

4:. The combination, with the casing and the combustion-chamber inclosedwithin the same, of a pipe extended through the easing into and openingat its inner end within the combustion-chamber, and havingits lower endextended downward and opening without the casing, such pipe being formedwith a trap, substantially as set forth.

5. Ina stove, the combination of the casing, a combustion-chamber andhot-air space within said casing, a water-tank, and a pipe extendedtherefrom, and having a discharge within the hot-air space and adjacentthe combustionchamber, substantially as set forth.

6. The combination, with the combustionchamber, the casing, and thewater-tank having a pipe extended adjacent to the combustion-chamber, ofa shield and supports there- -for, whereby it may be set between thecombustion-chamber and the said pipe, substantially as set forth.

7. In astove, the combination of the casing, a combustion-chamber andhot-air space arranged within said chamber, awater-tank, and a pipeextended therefrom adjacent to the combustion-chamber, whereby itscontents may become heated, and said pipe being extended, forming anupwardly-projected wing, a returnwing, and a dischargeportion, thelatter opening into the hot-air chamber, substantially as set forth.

8. In combination with a stove having a combustion-charnber and ahot-air chamber, a Water-tank and a pipe extended therefrom and inclinedupward, substantially as described, and provided with anextension-opening adjacent the combustion-chamber, substantially as setforth.

RICHARD ALLEN REWV.

Witnesses:

JOHN W. RAUOH, G. B. FOOTE.

